CN202901327U - High pressure difference resisting multi-level adjusting device for pipelines - Google Patents
High pressure difference resisting multi-level adjusting device for pipelines Download PDFInfo
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- CN202901327U CN202901327U CN 201220619148 CN201220619148U CN202901327U CN 202901327 U CN202901327 U CN 202901327U CN 201220619148 CN201220619148 CN 201220619148 CN 201220619148 U CN201220619148 U CN 201220619148U CN 202901327 U CN202901327 U CN 202901327U
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- sleeve
- pressure difference
- high pressure
- valve
- regulating device
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Abstract
A high pressure difference resisting multi-level adjusting device for pipeline relates to the field of pipeline adjusting valves and comprises a valve rod (3) and a valve body (1). The valve rod is sleeved in the valve body, a shaft plug (31) in sealing match with a valve seat is positioned at the lower end of the valve rod, the shaft plug is at least a two-level shaft plug, a sleeve (5) matched with the shaft plug is sleeved outside the shaft plug, a pressure reducing sleeve (4) matched with the sleeve is positioned outside the sleeve, a throttle hole and a through hole are arranged on the sleeve, a water outlet hole is positioned on the pressure reducing sleeve, a pressing sleeve (6) is sleeved on the valve rod, each level of the shaft plug is in a cone frustum shape, and the multi-level shaft plug is matched with the throttle hole of the sleeve to carry out throttle control. Thus, multi-level flow adjustment is achieved, pressure difference between an inlet and an outlet of the adjusting valve is effectively reduced, impact and vibration of fluid on a valve core are reduced, flow characteristics are improved, and service life of the adjusting valve is prolonged. Furthermore, the high pressure difference resisting multi-level adjusting device is good in sealing performance and not prone to be plugged.
Description
Technical field
The utility model relates to pipeline and uses the modulating valve field, and particularly pipeline is with the improvement of anti-High Pressure Difference multi-stage regulating device.
Background technique
Modulating valve has another name called control valve, in industrial self-acting valve process control field, be widely adopted, its general and controller and electric actuator composition fluid intelligent regulating system, in the industries such as oil-extracting and water-injecting, chemical industry, be widely adopted, particularly be applied on the oil high pressure water injection pipeline, the parameter control electric actuator such as the flow of controller by the transmission rod accepting medium, pressure, temperature, electric actuator drive pipeline with anti-High Pressure Difference multi-stage regulating device, thus the adjutage linear flow rate.Be that ZL201120018604.0 proposes to improve for utility model patent number especially, the modulating valve sealing is still dissatisfied, and easy stifled card has the vibrations phenomenon of uttering long and high-pitched sounds, and Flow characteristics and control characteristic are not mated, and flow can not be controlled and finely tune exactly.
The model utility content
In view of the problem that exists in the known technology, the technical problem that the utility model solves aims to provide a kind of multiple axle plug and cooperates sleeve to reduce impact and the vibrations of fluid to spool, improved Flow characteristics, not susceptible to plugging pipeline is with anti-High Pressure Difference multi-stage regulating device.
For solving the problems of the technologies described above, the utility model takes following mode to finish enforcement:
A kind of pipeline is with anti-High Pressure Difference multi-stage regulating device, include valve rod and valve body, be provided with valve seat in this valve body, described valve stem casing is located in the valve body, the valve rod upper end is provided with handwheel, the valve rod lower end is provided with the axle plug that cooperates with described valve base sealing, this axle plug is at least two-stage axle plug, axle beyond the Great Wall surface cover is provided with the sleeve that matches with the axle plug, the sleeve outside is provided with the pressure reducing sleeve that matches with sleeve, and sleeve is provided with throttle orifice and through hole, and pressure reducing sleeve is provided with osculum, be arranged with clamping sleeve on the valve rod, it is characterized in that described every grade of axle plug is frustoconic shape.
Described axle plug is three grades of axle plugs.
Described upper cartridge arranges described through hole, and the corresponding position of bottom between every grade of axle plug and axle plug is provided with two axisymmetric throttle orifices, and these two throttle orifices form throttle orifice groups, is up and down 90 degree rotations between the throttle orifice group and is arranged in order.
Described throttle orifice is is shaped as polygonal.
Described polygonal is that rectangular is or/and trapezoidal.
Described axle plug is three grades of axle plugs, is provided with two groups of throttle orifice groups, and the throttle orifice of top is arranged to rectangular, and the throttle orifice of below is arranged to trapezoidal.
On the described sleeve between every group of throttle orifice group and on the sleeve sleeve wall of the upper and lower of through hole be provided with the aperture and become large annulus, in annulus, be provided with O shape seal groove and seal ring.
Described pressure reducing sleeve top arranges described osculum.
The sleeve wall lower end surface of described sleeve and the jacket wall lower end surface of pressure reducing sleeve respectively are provided with O shape seal groove and seal ring, and the osculum top jacket wall of pressure reducing sleeve is provided with O shape seal groove and seal ring.
Described clamping sleeve becomes ladder cylindrical, and this clamping sleeve and valve rod fitting surface are provided with O shape seal groove and seal ring, and the clamping sleeve lower end surface is provided with an O shape seal groove and seal ring.
The utility model has the advantages that and adopt the multiple axle plug to cooperate the throttle orifice of sleeve to carry out throttling control, thereby realized multistage Flow-rate adjustment, effectively reduce the inlet outlet pressure differential of modulating valve, around medium is evenly spread to by the round platform conical surface of the axle plug on the valve rod, it has effectively improved vibrations and the Flow characteristics of medium fluid, impact and the vibrations of fluid to spool have been reduced, improved Flow characteristics, working life and the sealing of modulating valve have been improved, and be difficult for stopping up, compared with prior art, have substantive distinguishing features and progress.
Description of drawings
Fig. 1 is general structure master's diagram of the present utility model.
Fig. 2 is valve rod schematic diagram of the present utility model.
Fig. 3 is sleeve schematic diagram of the present utility model.
Fig. 4 is pressure reducing sleeve schematic diagram of the present utility model.
Embodiment
A kind of pipeline is with anti-High Pressure Difference multi-stage regulating device, include valve rod 3 and valve body 1, be provided with valve seat 2 in this valve body 1, described valve stem casing is located in the valve body, the valve rod lower end is provided with the axle plug 31 that cooperates with described valve base sealing, this axle plug is at least two-stage axle plug, axle plug 31 outsides are arranged with the sleeve 5 that matches with the axle plug, the sleeve outside is provided with the pressure reducing sleeve 4 that matches with sleeve, sleeve is provided with throttle orifice 51 and through hole 52, pressure reducing sleeve is provided with osculum 41, is arranged with clamping sleeve 6 on the valve rod, and described every grade of axle plug is frustoconic shape.
Valve rod is axially motion in sleeve, when medium fluid flows into valve seat by the modified model pipeline with anti-High Pressure Difference multi-stage regulating device, around medium was evenly spread to by the round platform conical surface of the axle plug on the valve rod, it had effectively improved vibrations and the Flow characteristics of medium fluid.
Described axle plug is three grades of axle plugs.Medium outwards flows out stably by three grades of decompressions, has more effectively improved vibrations and the Flow characteristics of medium fluid.
Described sleeve 5 tops arrange four through holes, this through hole can be manhole, the corresponding position of bottom between every grade of axle plug and axle plug is provided with two axisymmetric throttle orifices 51, and these two throttle orifices form throttle orifice groups, is up and down 90 degree rotations between the throttle orifice group and is arranged in order.So medium fluid shuttling back and forth between throttle orifice is more reasonable, has effectively improved Flow characteristics.
Described throttle orifice is is shaped as polygonal.It is linear that the area of polygonal throttle orifice is, so flow is more stable, helps adjust flux, and then can finely tune.
Described polygonal is that rectangular is or/and trapezoidal.The area that satisfies again the polygonal throttle orifice is the lower of linearity, and is convenient on preparation process.
Described axle plug is three grades of axle plugs, is provided with two groups of throttle orifice groups, and the throttle orifice of top is arranged to rectangular, and the throttle orifice of below is arranged to trapezoidal.
On the described sleeve between every group of throttle orifice group and on the sleeve sleeve wall of the upper and lower of through hole be provided with the aperture and become large annulus 53, in annulus, be provided with O shape seal groove and seal ring.Seal ring is set in O shape seal groove so and the pressure reducing sleeve that cooperates of sleeve outside will form make every group of throttle orifice between sleeve and pressure reducing sleeve for sealing.
Described pressure reducing sleeve 4 tops arrange four osculums 41.The through hole coupling that this osculum and described upper cartridge arrange.Medium fluid through sleeve is flowed out in the medium channel by through hole and osculum.
The sleeve wall lower end surface of described sleeve 5 and the jacket wall lower end surface of pressure reducing sleeve 4 respectively are provided with O shape seal groove and seal ring, the osculum top jacket wall of pressure reducing sleeve 4 is provided with O shape seal groove and seal ring, can the aperture be set by jacket wall above the osculum of pressure reducing sleeve and become large stepped ring forging, O shape seal groove and seal ring are set in this annulus.In O shape seal groove, seal ring is set, so arrives the sealing between lower end, bottom and the valve seat.
6 one-tenth ladders of described clamping sleeve are cylindrical, and this clamping sleeve 6 is provided with O shape seal groove with valve rod 3 fitting surfaces, and clamping sleeve 6 lower end surfaces are provided with an O shape seal groove, and the clamping sleeve lower end is sleeve.In O shape seal groove, seal ring is set, so the part in the whole valve body can be pressed in the valve body, take into account again sealing simultaneously.
The above is described preferred implementation of the present utility model by reference to the accompanying drawings, but the utility model is not limited to above-mentioned mode of execution, in the ken that those of ordinary skills possess, can also under the prerequisite that does not break away from the utility model aim, make a variety of changes.
Claims (10)
1. a pipeline is with anti-High Pressure Difference multi-stage regulating device, include valve rod (3) and valve body (1), be provided with valve seat (2) in this valve body, described valve stem casing is located in the valve body, the valve rod lower end is provided with the axle plug (31) that cooperates with described valve base sealing, this axle plug is at least two-stage axle plug, axle beyond the Great Wall surface cover is provided with the sleeve (5) that matches with the axle plug, the sleeve outside is provided with the pressure reducing sleeve (4) that matches with sleeve, sleeve is provided with throttle orifice (51) and through hole (52), pressure reducing sleeve is provided with osculum (41), is arranged with clamping sleeve (6) on the valve rod, it is characterized in that the frustoconic shape that is shaped as of described every grade of axle plug.
2. a kind of pipeline according to claim 1 is with anti-High Pressure Difference multi-stage regulating device, and it is characterized in that: described axle plug is three grades of axle plugs.
3. a kind of pipeline according to claim 1 is with anti-High Pressure Difference multi-stage regulating device, it is characterized in that: described sleeve (5) top arranges described through hole (52), the corresponding position of bottom between every grade of axle plug and axle plug is provided with two axisymmetric throttle orifices (51), these two throttle orifices form throttle orifice groups, are up and down 90 degree rotations between the throttle orifice group and are arranged in order.
4. a kind of pipeline according to claim 3 is characterized in that with anti-High Pressure Difference multi-stage regulating device: described throttle orifice (51) be shaped as polygonal.
5. a kind of pipeline according to claim 4 is with anti-High Pressure Difference multi-stage regulating device, and it is characterized in that: described polygonal is that rectangular is or/and trapezoidal.
6. a kind of pipeline according to claim 3 is with anti-High Pressure Difference multi-stage regulating device, and it is characterized in that: described axle plug (31) is three grades of axle plugs, is provided with two groups of throttle orifice groups, and the throttle orifice of top is arranged to rectangular, and the throttle orifice of below is arranged to trapezoidal.
7. a kind of pipeline according to claim 3 is with anti-High Pressure Difference multi-stage regulating device, it is characterized in that: the sleeve wall of the upper and lower of through hole is provided with the aperture and becomes large annulus (53) between the upper every group of throttle orifice group of described sleeve (5) and on the sleeve, and O shape seal groove and seal ring are set in annulus.
8. a kind of pipeline according to claim 3 is with anti-High Pressure Difference multi-stage regulating device, and it is characterized in that: described pressure reducing sleeve (4) top arranges described osculum (41).
According to claim 1 or 3 or 7 described a kind of pipelines with anti-High Pressure Difference multi-stage regulating device, it is characterized in that: the jacket wall lower end surface of the sleeve wall lower end surface of described sleeve (5) and pressure reducing sleeve (4) respectively is provided with O shape seal groove and seal ring, and the osculum top jacket wall of pressure reducing sleeve (4) is provided with O shape seal groove and seal ring.
10. a kind of pipeline according to claim 1 is with anti-High Pressure Difference multi-stage regulating device, it is characterized in that: described clamping sleeve (6) becomes ladder cylindrical, this clamping sleeve (6) is provided with O shape seal groove and seal ring with valve rod (3) fitting surface, and clamping sleeve (6) lower end surface is provided with an O shape seal groove and seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220619148 CN202901327U (en) | 2012-11-21 | 2012-11-21 | High pressure difference resisting multi-level adjusting device for pipelines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220619148 CN202901327U (en) | 2012-11-21 | 2012-11-21 | High pressure difference resisting multi-level adjusting device for pipelines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202901327U true CN202901327U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220619148 Expired - Fee Related CN202901327U (en) | 2012-11-21 | 2012-11-21 | High pressure difference resisting multi-level adjusting device for pipelines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202901327U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966747A (en) * | 2012-11-21 | 2013-03-13 | 瑞安市良精石化机械厂 | High-pressure-difference-resisting multi-grade adjusting device for pipeline |
| CN108679254A (en) * | 2018-06-04 | 2018-10-19 | 江苏天域阀业制造有限公司 | A kind of valve of achievable flow rate fine-tuning |
| WO2022019813A1 (en) * | 2020-07-22 | 2022-01-27 | Bvt Sweden Ab | A water flow control valve |
-
2012
- 2012-11-21 CN CN 201220619148 patent/CN202901327U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966747A (en) * | 2012-11-21 | 2013-03-13 | 瑞安市良精石化机械厂 | High-pressure-difference-resisting multi-grade adjusting device for pipeline |
| CN108679254A (en) * | 2018-06-04 | 2018-10-19 | 江苏天域阀业制造有限公司 | A kind of valve of achievable flow rate fine-tuning |
| WO2022019813A1 (en) * | 2020-07-22 | 2022-01-27 | Bvt Sweden Ab | A water flow control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG MEIDE MACHINERY CO., LTD. Free format text: FORMER OWNER: RUIAN LIANGJING PETROLEUM MACHINERY FACTORY Effective date: 20130524 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 325200 WENZHOU, ZHEJIANG PROVINCE TO: 325204 WENZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130524 Address after: 325204 Zhejiang Province, Ruian City Tangxia Luofeng Industrial Zone Patentee after: ZHEJIANG MEIDE MACHINERY CO., LTD. Address before: Ruian City, Wenzhou City, Zhejiang province 325200 Industrial Zone Tangxia Luofeng Patentee before: Ruian Liangjing Petrochemical Machinery Factory |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20151121 |
|
| EXPY | Termination of patent right or utility model |